EP 1592130 A3 20060621 - Balanced output filter
Title (en)
Balanced output filter
Title (de)
Filter mit symmetrischem Ausgang
Title (fr)
Filtre avec une sortie symétrique
Publication
Application
Priority
JP 2004134388 A 20040428
Abstract (en)
[origin: EP1592130A2] A balanced filter includes a package having an input ground metal pattern and an output ground metal pattern, and a filter chip having an inphase filter (11a) and an antiphase filter (11b), which filters are mounted on the package, at least one of the inphase and antiphase filters having an input ground terminal (19a) connected to the input ground metal pattern and an output ground terminal (18a1, 18a2) connected to the output ground metal pattern, the input and output ground terminals of said at least one of the inphase and antiphase filters being separate from each other on the filter chip.
IPC 8 full level
H03H 9/00 (2006.01); H03H 9/25 (2006.01); H03H 9/05 (2006.01); H03H 9/64 (2006.01)
CPC (source: EP KR US)
H03H 9/0071 (2013.01 - EP US); H03H 9/0095 (2013.01 - EP US); H03H 9/059 (2013.01 - EP US); H03H 9/25 (2013.01 - KR); H03H 9/64 (2013.01 - KR)
Citation (search report)
- [X] EP 1126605 A2 20010822 - MURATA MANUFACTURING CO [JP]
- [A] EP 0798852 A1 19971001 - NOKIA MOBILE PHONES LTD [FI]
- [A] US 6353372 B1 20020305 - BAIER THOMAS [DE], et al
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1592130 A2 20051102; EP 1592130 A3 20060621; EP 1592130 B1 20110629; CN 100492901 C 20090527; CN 1691499 A 20051102; JP 2005318307 A 20051110; JP 3993579 B2 20071017; KR 100639282 B1 20061030; KR 20060047523 A 20060518; US 2005242903 A1 20051103; US 7233219 B2 20070619
DOCDB simple family (application)
EP 05252611 A 20050427; CN 200510067940 A 20050428; JP 2004134388 A 20040428; KR 20050035017 A 20050427; US 11412805 A 20050426